BSD-style copyright. Move parser-specific defines and structs into parse.h + other cosmetic changes

parse.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Sudo$
+ */
+
+#ifndef _SUDO_PARSE_H
+#define _SUDO_PARSE_H
+
+/*
+ * Data structure used in parsing sudoers;
+ * top of stack values are the ones that
+ * apply when parsing is done & can be
+ * accessed by *_matches macros
+ */
+#define STACKINCREMENT (32)
+struct matchstack {
+	int user;
+	int cmnd;
+	int host;
+	int runas;
+	int nopass;
+};
+
+/*
+ * Data structure describing a command in the
+ * sudoers file.
+ */
+struct sudo_command {
+    char *cmnd;
+    char *args;
+};
+
+#define user_matches	(match[top-1].user)
+#define user_matched	(match[top].user)
+#define cmnd_matches	(match[top-1].cmnd)
+#define cmnd_matched	(match[top].cmnd)
+#define host_matches	(match[top-1].host)
+#define host_matched	(match[top].host)
+#define runas_matches	(match[top-1].runas)
+#define runas_matched	(match[top].runas)
+#define no_passwd	(match[top-1].nopass)
+
+/*
+ * Structure containing command matches if "sudo -l" is used.
+ */
+struct command_match {
+    char *runas;
+    size_t runas_len;
+    size_t runas_size;
+    char *cmnd;
+    size_t cmnd_len;
+    size_t cmnd_size;
+    int nopasswd;
+};
+
+/*
+ * Structure containing Cmnd_Alias's if "sudo -l" is used.
+ */
+struct generic_alias {
+    char *alias;
+    char *entries;
+    size_t entries_size;
+    size_t entries_len;
+};
+
+/* The matching stack and number of entries on it. */
+extern struct matchstack *match;
+extern int top;
+
+#endif /* _SUDO_PARSE_H */